Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 | 2x 2x 50x 50x 50x 2x 220x 220x 2x 218x 218x 218x 218x 940x 940x 940x 2377x 2377x 2377x 940x 218x 2x 2x 2x 2x 2x 105x 105x 105x 455x 1156x 107x 105x 48x 2x 2x 48x 2x 2x | const { readFile } = require('../helpers/file')
const extractGameID = (gameLine) => {
const extractIdRegexp = new RegExp('(?<=Game\\s)\\d+', 'gm')
const matches = [...gameLine.match(extractIdRegexp)]
return parseInt(matches[0])
}
const removeGameInfos = (gameLine) => {
const removeGameInfosRegExp = new RegExp('Game\\s\\d*:\\s+', 'gm')
return gameLine.replace(removeGameInfosRegExp, '')
}
const extractGameResults = (gameLine) => {
const colorInfos = removeGameInfos(gameLine)
const games = colorInfos.split(';')
const formatedArray = []
for (const game of games) {
const items = game.split(',')
const obj = {}
for (let ball of items) {
// Remove last and first space that can be in string
ball = ball.replace(/\s+$/, '').replace(/^\s+/, '')
const colorValuePair = ball.split(' ')
obj[colorValuePair[1]] = parseInt(colorValuePair[0])
}
formatedArray.push(obj)
}
return formatedArray
}
const resolvePuzzle = (filePath) => {
const puzzle = readFile(filePath)
const possibleGamesId = []
const MAX_VALUES = { red: 12, green: 13, blue: 14 }
for (const line of puzzle) {
const results = extractGameResults(line)
let isValidLine = true
for (const result of results) {
Object.entries(result).forEach(([key, value]) => {
if (MAX_VALUES[key] < value) {
isValidLine = false
}
})
}
if (isValidLine === true) {
possibleGamesId.push(extractGameID(line))
}
}
// Calculate the sum of ids
let sum = 0
for (const id of possibleGamesId) {
sum += id
}
return sum
}
module.exports = {
extractGameResults,
removeGameInfos,
extractGameID,
resolvePuzzle,
}
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